Case study · Finance
Penetration Testing for a Fintech
Comprehensive pen test across web, API, mobile, and network layers.
Key results
- Critical findings remediated pre-launch
- PCI scope reduction recommendations accepted
- Launch posture signed-off
Context
A payments fintech was approaching a major product launch with regulatory and card-network scrutiny. The company had run internal security review but needed external penetration testing as part of the launch gating.
Challenge
The test scope had to cover web, API, mobile, and network layers within a tight pre-launch window. Findings had to be actionable and ranked by business risk — a 200-page report with no prioritization would not have been usable.
Approach
Thoughtwave delivered a 6-week comprehensive penetration test: external and internal network; OWASP Top 10 web-application testing; API authentication and authorization; mobile app testing; network segmentation validation. Findings delivered throughout the engagement rather than only at the end, so remediation could begin immediately.
Outcomes
All critical findings remediated before launch; PCI scope reduction recommendations accepted by the client, reducing ongoing compliance burden; launch posture signed off by both internal security and external auditors on schedule.
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